output

bytes written to buffer: 12
AssertionError: "\u00f6\u65e5\u672c\u8a9e" == "\u00f6\u65e5\u672c\u8a9e\u0000"
    at Object.<anonymous> (/tmp/utf8slice.js:10:8)
    at Module._compile (node.js:704:23)
    at node.js:732:20
    at fs:51:23
    at node.js:813:9

utf8slice-bug.js

assert = require("assert");
sys = require("sys");
Buffer = require("buffer").Buffer;

var testValue = '\u00F6\u65E5\u672C\u8A9E'; // ö日本語
var buffer = new Buffer(32);
var size = buffer.utf8Write(testValue, 0);
sys.puts('bytes written to buffer: ' + size);
var slice = buffer.utf8Slice(0, size);
assert.equal(slice, testValue);